A "Bumper Gumper", is a made up term that signifies talking cash shit or bumping gumbs.
LOL what a bumper gumper mf.
William is a bumper gumper. Lol
to have sex
so day-man, did you take the lady to play a little tea cups and bumper cars this weekend?
The ball sweat that builds up between 2 gay dudes having butt sex, and combines into a thick creamy substance
Yo, Dale, clean up our bumper cream before it stains the sheets!
Forehead while getting kid to sleep
Fore bumper eyewinker nose dripper chin chopper
Sores that are often associated with the herpes virus.
I paid for a prostitute but didn't know I also bought humpy bumpers.
An extra-abundant harvest of vehicle-parts dat are grown on a truck farm.
As much as some motorheads love to bash into things, they better hope dat there's always a bumper crop each year, so dat they'll be able to get replacements whenever they need them!